| ITS Deployment Evaluation

Benefits: Reduced Speed Zone Warning / Lane Closure (VS09)

66 unique benefits found.

The Wyoming CV Pilot Found that Over 50 Percent of Drivers Given a Work Zone or Winter Weather Alert Reduced their Speed.

Date Posted: 04/03/2023 | Source Date:

Connected Vehicle Pilot Final System Performance Measurement and Evaluation – WYDOT CV Pilot

07/27/2022

Field Study Using Speed Trailer With Red and Blue Lights Resulted in Over 50 Percent Speed Reduction in a Work Zone in the St. Louis Region During Daytime and Nighttime.

Date Posted: 03/31/2023 | Source Date:

Effectiveness of Speed Management Methods in Work Zones

03/31/2023

Field Testing of an Automated Flagger Assistant Device in Missouri Reduces Vehicle Approach Speeds by Four Miles Per Hour and Increases Stopping Distance by 11 Feet.

Date Posted: 08/23/2021 | Source Date:

Evaluation of Automated Flagger Assistance Devices

02/01/2018

Survey on Roadway Worker Protection Warning Device in Sacramento Shows 83 Percent of Rail Transit Agency Employees Felt Safer with the Device.

Date Posted: 07/21/2021 | Source Date:

Roadway Worker Protection Secondary Warning Device and Employee in Charge Software System (EICSS)

02/01/2021

Virginia Study Shows Non-traditional Dynamic Message Sign Messages that Utilize Word Play and Rhymes Increase Cognitive Attention by Nearly 65 Percent.

Date Posted: 04/27/2021 | Source Date:

Driver Response to Dynamic Message Sign Safety Campaign Messages

01/01/2020

Smart Work Zone (SWZ) systems can detect congestion, display travel times, and recommend alternate routes. Benefit-to-cost ratios range from 10:1 to 12:1.

Date Posted: 09/18/2019 | Source Date:

Cost benefit: Wichita eases workzone congestion

06/02/2019

In Minneapolis, implementation of a queue warning system resulted in 54 percent decrease in near-crashes and 22 percent decrease in crashes along segment of interstate.

Date Posted: 12/21/2018

Portable variable speed limit system in Utah successfully reduces speed limit by 15 to 25 mi/hr near work zones.

Date Posted: 07/23/2018 | Source Date:

Use of Portable and Dynamic Variable Speed Limits in Construction Zones

01/08/2018

Rapid deployment of DSRC for connected vehicles can save thousands of lives, regardless of whether a later transition to C-V2X proves advantageous.

Date Posted: 07/23/2018 | Source Date:

DSRC vs. Waiting for C-V2V: Lost Benefits and a Proposed Dual-Mode Solution

12/13/2017

As a result of a Portable Variable Speed Limit System installed along a construction zone in Alaska, the percentage of vehicles speeding decreased by 57 percent.

Date Posted: 04/25/2018 | Source Date:

Effectiveness of VSL Signs in Reducing Crash Rates on Roadway Construction Work Zones in Alaska

10/07/2017